See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/276481979 OILCROP-SUN Model Relevance for Evaluation of Nitrogen Management of Sunflower Hybrids in Sargodha, Punjab ARTICLE in AMERICAN JOURNAL OF PLANT SCIENCES · JANUARY 2013 DOI: 10.4236/ajps.2013.49212 READS 26 8 AUTHORS, INCLUDING: Amjed Ali 18 PUBLICATIONS 17 CITATIONS SEE PROFILE Tasneem Khaliq University of Agriculture Faisalabad 67 PUBLICATIONS 213 CITATIONS SEE PROFILE Muhammad Ibrahim Ghazi University, Dera Ghazi Khan 20 PUBLICATIONS 71 CITATIONS SEE PROFILE Gerrit Hoogenboom Washington State University 436 PUBLICATIONS 6,661 CITATIONS SEE PROFILE Available from: Gerrit Hoogenboom Retrieved on: 04 February 2016